EP 2078849 B1 20180815 - Wind and water turbine with pivotable blades
Title (en)
Wind and water turbine with pivotable blades
Title (de)
Wind- oder Wasserrad mit schwenkbaren Flügeln
Title (fr)
Éolienne et turbine à eau avec aubes pivotantes
Publication
Application
Priority
DE 102008003904 A 20080110
Abstract (en)
[origin: EP2078849A2] The device comprises a rotating axis (2) with one or more arms (3), where wings (4) are arranged at the arms and are supported in a swiveling manner. The wings are inclined in one position with a larger contact surface and inclined in another position with smaller contact surface. A flank area is inclined when it automatically moves into the former position with a stream (10) or in the latter position against the stream.
IPC 8 full level
F03B 17/06 (2006.01); F03D 3/06 (2006.01)
CPC (source: EP)
F03B 17/065 (2013.01); F03D 3/067 (2013.01); Y02E 10/20 (2013.01); Y02E 10/74 (2013.01)
Citation (examination)
- US 4365935 A 19821228 - ZUKERAN CHOUSEI
- GB 2051252 A 19810114 - JORDAN C G
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2078849 A2 20090715; EP 2078849 A3 20121205; EP 2078849 B1 20180815; DE 102008003904 A1 20090716
DOCDB simple family (application)
EP 08022050 A 20081218; DE 102008003904 A 20080110